Feed pump for a painting apparatus



FIG. 1 is a perspective view of a feed pump for a painting apparatus showing my new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a front elevational view; and

FIG. 5 is a rear elevational view. 

The ornamental design for feed pump for a painting apparatus, as shown and described. 